| 59 | } |
| 60 | |
| 61 | bool policy::deserialize(const byte_t*& _data, uint32_t& _size) { |
| 62 | |
| 63 | bool its_result; |
| 64 | uid_t its_uid; |
| 65 | gid_t its_gid; |
| 66 | |
| 67 | std::scoped_lock its_lock(mutex_); |
| 68 | |
| 69 | its_result = deserialize_uid_gid(_data, _size, its_uid, its_gid); |
| 70 | if (its_result == false) |
| 71 | return false; |
| 72 | |
| 73 | // Fill policy uid/gid |
| 74 | const auto its_uid_interval = boost::icl::interval<uid_t>::closed(its_uid, its_uid); |
| 75 | boost::icl::interval_set<gid_t> its_gid_set; |
| 76 | its_gid_set.insert(its_gid); |
| 77 | credentials_ += std::make_pair(its_uid_interval, its_gid_set); |
| 78 | |
| 79 | // Deserialized policies are always "Allow" - policies |
| 80 | allow_who_ = true; |
| 81 | allow_what_ = true; |
| 82 | |
| 83 | // Deserialize requests array length |
| 84 | uint32_t its_requests_length; |
| 85 | its_result = deserialize_u32(_data, _size, its_requests_length); |
| 86 | if (its_result == false) |
| 87 | return false; |
| 88 | |
| 89 | // Deserialize requests |
| 90 | while (0 < its_requests_length) { |
| 91 | |
| 92 | uint32_t its_current_size(_size); |
| 93 | |
| 94 | uint16_t its_service; |
| 95 | its_result = deserialize_u16(_data, _size, its_service); |
| 96 | if (its_result == false) |
| 97 | return false; |
| 98 | |
| 99 | if (its_service == 0x0000 || its_service == 0xffff) { |
| 100 | VSOMEIP_WARNING << "vSomeIP Security: Policy with service ID: 0x" << hex4(its_service) << " is not allowed!"; |
| 101 | return false; |
| 102 | } |
| 103 | |
| 104 | const auto its_service_interval = boost::icl::interval<service_t>::closed(its_service, its_service); |
| 105 | |
| 106 | boost::icl::interval_map<instance_t, boost::icl::interval_set<method_t>> its_ids; |
| 107 | its_result = deserialize_ids(_data, _size, its_ids); |
| 108 | if (its_result == false) |
| 109 | return false; |
| 110 | |
| 111 | requests_ += std::make_pair(its_service_interval, its_ids); |
| 112 | |
| 113 | its_requests_length -= (its_current_size - _size); |
| 114 | } |
| 115 | |
| 116 | // Deserialize offers array length |
| 117 | uint32_t its_offers_length; |
| 118 | its_result = deserialize_u32(_data, _size, its_offers_length); |